Triple
T11322409
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Railway |
E268124
|
entity |
| Predicate | operatesService |
P5884
|
FINISHED |
| Object | Mumbai Suburban Railway (Central line) |
E54514
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Mumbai Suburban Railway (Central line) | Statement: [Central Railway, operatesService, Mumbai Suburban Railway (Central line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mumbai Suburban Railway (Central line) Context triple: [Central Railway, operatesService, Mumbai Suburban Railway (Central line)]
-
A.
Mumbai Suburban Railway
chosen
The Mumbai Suburban Railway is a high-capacity commuter rail network that forms the backbone of public transport in the Mumbai metropolitan region, carrying millions of passengers daily across its extensive routes.
-
B.
Mumbai–Kalyan–Kasara–Igatpuri line
The Mumbai–Kalyan–Kasara–Igatpuri line is a major suburban and long-distance railway corridor in Maharashtra, India, connecting Mumbai with its northeastern suburbs and the onward routes toward Nashik and central India.
-
C.
Western line (Mumbai Suburban Railway)
The Western line of the Mumbai Suburban Railway is a major commuter rail corridor running along Mumbai’s western coast, connecting Churchgate in South Mumbai to numerous northern suburbs and satellite towns.
-
D.
Harbour line (Mumbai Suburban Railway)
The Harbour line of the Mumbai Suburban Railway is a key commuter rail corridor serving Mumbai’s eastern waterfront and suburban areas, connecting central city terminals with Navi Mumbai and other outlying regions.
-
E.
CSMT–Panvel line
The CSMT–Panvel line is a key suburban railway corridor in Mumbai’s Harbour Line network, connecting the city’s historic Chhatrapati Shivaji Maharaj Terminus with the fast-growing satellite city of Panvel.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d6aaca5c24819083db46a30d86cb34 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9dff37081909622623e66e17ccd |
completed | April 9, 2026, 6:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f49c59538081909102a6954f564e46 |
completed | May 1, 2026, 12:28 p.m. |
Created at: April 8, 2026, 9:32 p.m.